Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/11/2021
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 10/11/2021 09:56:17 0.29,-128.05 0.16,-127.36 78.61 80
2 10/13/2021 21:56:50 -0.27,-128.10 -0.28,-128.14 4.78 80
3 10/16/2021 09:59:54 0.25,-128.18 0.44,-128.88 79.82 80
4 10/17/2021 09:43:49 0.26,-128.21 -0.58,-124.35 439.82 80
5 10/18/2021 22:03:06 -0.24,-128.23 -0.55,-129.66 163.11 80
6 10/19/2021 21:47:02 -0.25,-128.25 0.46,-125.13 356.47 80
7 10/21/2021 10:06:10 0.22,-128.31 0.70,-130.40 238.28 80
8 10/22/2021 09:50:06 0.24,-128.33 -0.32,-125.87 280.97 80
9 10/23/2021 22:09:22 -0.21,-128.34 -0.87,-131.17 322.90 80
10 10/24/2021 21:53:18 -0.22,-128.36 0.15,-126.64 195.93 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 10/11/2021
SNOs_Map_GOES-15_NPP_20211011.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 10/11/2021 in txt file.

Historical Predications of SNOs between GOES-15 and NPP